diff options
Diffstat (limited to 'drivers/serial/sunzilog.c')
-rw-r--r-- | drivers/serial/sunzilog.c | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index 7653d6c..3c72484 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -319,7 +319,7 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, struct pt_regs *regs) { struct tty_struct *tty; - unsigned char ch, r1; + unsigned char ch, r1, flag; tty = NULL; if (up->port.info != NULL && /* Unopened serial console */ @@ -362,19 +362,8 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, continue; } - if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) { - tty->flip.work.func((void *)tty); - /* - * The 8250 bails out of the loop here, - * but we need to read everything, or die. - */ - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - continue; - } - /* A real serial line, record the character and status. */ - *tty->flip.char_buf_ptr = ch; - *tty->flip.flag_buf_ptr = TTY_NORMAL; + flag = TTY_NORMAL; up->port.icount.rx++; if (r1 & (BRK_ABRT | PAR_ERR | Rx_OVR | CRC_ERR)) { if (r1 & BRK_ABRT) { @@ -391,28 +380,21 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, up->port.icount.overrun++; r1 &= up->port.read_status_mask; if (r1 & BRK_ABRT) - *tty->flip.flag_buf_ptr = TTY_BREAK; + flag = TTY_BREAK; else if (r1 & PAR_ERR) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (r1 & CRC_ERR) - *tty->flip.flag_buf_ptr = TTY_FRAME; + flag = TTY_FRAME; } if (uart_handle_sysrq_char(&up->port, ch, regs)) continue; if (up->port.ignore_status_mask == 0xff || (r1 & up->port.ignore_status_mask) == 0) { - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } - if ((r1 & Rx_OVR) && - tty->flip.count < TTY_FLIPBUF_SIZE) { - *tty->flip.flag_buf_ptr = TTY_OVERRUN; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; + tty_insert_flip_char(tty, ch, flag); } + if (r1 & Rx_OVR) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); } return tty; |